Mobile-First Construction Management: Why Field Apps Beat Office ERPs in 2026 In 2025, I asked 30 construction companies in France what their biggest operational pain was. Answers varied from cash flow to crew scheduling, but one theme emerged in 85% of responses: "Our ERP lives on a desktop PC in the office. But our business happens on-site. Those two worlds don't talk." This is the core problem with traditional construction software. It's built for accountants and planners in a climate-controlled office. It assumes: Stable internet connection ✓ (office has fiber) Keyboard & mouse ✓ (no mud on your desk) Large screen with spreadsheets ✓ (nobody's reading a pivot table on an iPad in rain) None of those assumptions hold on a construction site. Mobile-first apps flip this: they're built for the reality of field work. Desktop and office workflows come second.…